Size: 600W Overview efficiency monocrystalline solar panels built with back contact cell technology to reduce frontside shading and improve sunlight conversion. Designed for flexible use with dual outputs and a USB interface to meet charging and power needs for vehicles, portable appliances, and offgrid applications. Key benefits Higher conversion efficiency: Monocrystalline cells with back contact design improve conversion efficiency up to 50 percent compared with ordinary panels, with a rated conversion efficiency of 19.8 percent. Flexible outputs and connectivity: Dual output design plus a USB interface for direct charging of small devices and dual power routing for batteries or inverters. Readytoinstall components: Includes MC4 connectors, extension cables, and mounting carabiners for fast setup without sourcing extra parts. Wide operating range: Rated to operate from 20 C to +80 C for reliable performance in varied environments. Compact and lightweight per module: Each panel measures 1180 x 540 x 2.5 mm and weighs 12.55 kg, making handling and installation easier. What is included Solar panel 300W x 4 Battery clip 2 m extension cable x 2 MC4 interface 2 m extension cable x 2 MC4 Tconnector male and female set x 2 MC4 male and female interface set x 4 Carabiner x 8 Technical specifications (per module unless stated) Maximum power Pmax: 300W (single module). Package contains four 300W panels. Output tolerance: +/5 percent Maximum system voltage: 700 V DC, tolerance +/5 percent Open circuit voltage Voc: 19.2 V to 36 V Maximum voltage Vmp: 16 V to 24 V Short circuit current temperature coefficient Isc: 0.10 +/ 0.01 percent per C Voc temperature coefficient: 0.38 +/ 0.01 percent per C Power temperature coefficient: 0.47 percent per C Operating temperature range: 20 C to +80 C Connector type: MC4 Cell type: efficiency monocrystalline with back contact Conversion efficiency: 19.8 percent Weight: 12.55 kg Size: 1180 x 540 x 2.5 mm Standard test conditions: irradiance 1000 W/m2, temperature 25 C, AM = 1.5 Practical use scenarios Vehicle battery support: Use the dual outputs and included battery clip and MC4 cables to maintain or up automobile or marine batteries during travel or while parked. Outdoor power for small appliances: Run portable refrigerators, LED lighting, phone and tablet charging, and other small loads at campsites or remote work sites using the USB output and inverter connection. Backup and offgrid applications: Integrate the panels into a battery charging setup or portable power station to provide emergency power or to support remote cabins and field operations. Why choose this product Combines efficiency monocrystalline cells with practical connectivity and a comprehensive accessory kit to reduce setup time and provide reliable, distributed power generation. Designed for multiple mounting and wiring configurations thanks to MC4 connectors, Tconnector sets, extension cables, and carabiners included in the package. Clear technical data for system planning, including temperature coefficients, voltage and current specifications, and test condition reference values. Notes for installation Observe maximum system voltage limits when connecting multiple panels in series. Use the provided MC4 connectors and Tconnector sets for safe and reliable electrical connections. Ensure secure mounting and appropriate angle to maximize solar exposure per module dimensions. This product provides modular 300W solar panels supplied with cables and connectors for a complete setup suitable for automotive, camping, offgrid, and small appliance charging applications.